Frequently Asked Questions
It is almost impossible to predict accurately the amount of weld shrinkage. Nevertheless, a 'rule of thumb' has been composed based on the size of the weld deposit. When welding steel, the following allowances should be made to cover shrinkage at the assembly stage.
|0.8mm per weld where the leg length does not exceed 3/ 4 plate thickness
|1.5 to 3mm per weld for 60° V joint
|0.8mm per 3m of weld
|3mm per 3m of weld
Increasing the leg length of fillet welds, in particular, increases the shrinkage.
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